Table 1

Patient Characteristics, Operative Levels, and Timing for Primary 1-level MIS Lumbar Decompression.

MIS (n = 24)
Age (Years, SD)47.8 (14.2)
Female (n)58.3% (14)
Operative Levels (%, n)
L2L34.2% (1)
L3L412.5% (3)
L4L558.3% (14)
L5S125.0% (6)
Time between Surgery and MRI
Preoperative MRI (Days, SD)61.1 (55.4)
Postoperative MRI (Days, SD)182.5 (194.4)
  • MIS: Minimally Invasive; SD: Standard Deviation; MRI: Magnetic Resonance Imaging.